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All Journal Journal of Energy, Mechanical, Material and Manufacturing Engineering Logic : Jurnal Rancang Bangun Dan Teknologi
Bayu Pranoto
State Polytechnic of Malang
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Tensile Strength Analysis of AISI 1045 Steel Results of Smaw Welding Using Variations of Preheat and Cooling Media Bayu Pranoto; Subagiyo; Samsul Hadi; Muhamad Zidan Wibowo
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 22 No. 3 (2022): November
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (992.897 KB) | DOI: 10.31940/logic.v22i3.214-224

Abstract

In the welding process, there are many factors that need to be considered, including heat input, cooling rate, the material being welded, and the use of added materials, if these factors are not considered, they can cause cracks in the American Iron & Steel Institute (AISI) 1045 material. to determine the effect of preheat variations on tensile strength, the effect of cooling media on tensile strength, and to determine the interaction of preheat variations and cooling media on tensile strength. This research method used experimentally by varying the preheat temperature 250⁰C, 325⁰C, 400⁰C, and the cooling medium was lime, sand, and normal air, then tensile test was carried out. The results showed that the cooling medium affected the tensile strength with the highest tensile strength of 64.35 kg/mm2 on the sand cooling medium, while the preheat variation had no effect on the tensile strength as shown by a graph close to the horizontal straight at the tensile strength ranging from 60 kg/mm2, interaction between preheat and cooling medium has no effect on tensile strength. This is indicated by the tensile strength values ​​that are almost close to each preheat point, namely at a temperature of 250⁰C between 53-67 kg/mm2, at 325⁰C between 56-60 kg/mm2, and a temperature of 400⁰C between 51-64 kg/mm2. In this study it can be concluded that a good cooling medium uses sand media with a preheat temperature of 250⁰C.
The Study Analysis of Car Rim Design and Mechanical Properties Using Catia Bayu Pranoto; Gunawan Chandra; Fakhruddin Muhammad; Trifiananto Muhammad; Purwanto
JEMMME (Journal of Energy, Mechanical, Material, and Manufacturing Engineering) Vol. 7 No. 1 (2022)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jemmme.v7i1.18369

Abstract

This study discusses the design of a car rim and analyzed its mechanical properties using three different basic materials: aluminum, steel, titanium. The purpose of this study is to reduce production time and to minimize the risk of design failure. In this study using the Catia software to design a rim, then simulate the effect of applying force on a component, applying a certain working pressure, then able to perform calculations and display the results for analysis. The analytical method used is the FEM method of static analysis. The mesh type uses a linear tetrahedron mesh. Provision of clamps or fixed constraints is carried out on the surface of the bolt hole, where this surface is in contact with the wheel holder of car drive system. Then given a circumferential loading of 200 kN/m2. It was found that aluminum material is the best for the manufacture of car rims, which has a low density so it is lighter than steel and titanium. However, alloys such as lead and magnesium are needed to increase their hardness, and chromium alloys are needed to protect the rims from corrosion due to use in a polluted environment and contain impurities that can trigger corrosion.
Co-Authors Fakhruddin Muhammad Gunawan Chandra Muhamad Zidan Wibowo Muhammad Trifiananto Purwanto Samsul Hadi Subagiyo